[Xen-users] Data corruption with xl migrate

[Andreas Pflug <pgadmin@xxxxxxxxxxxxxxxxx>]

Still experiencing data corruption when migrating 3.16 VMs from one host
to another...
Seems independent of Xen version or storage backend.

Regards
Andreas

Am 13.12.17 um 09:12 schrieb Andreas Pflug:
> Recently, I encountered file system data corruption on several systems
> after a migration (ext4, xfs, zfs). So far, I haven't been able to nail
> down the cause for it.
>
> All VMs affected run Debian Jessie with 3.16 kernel. Possibly newer 3.16
> kernels are more likely to suffer corruption.
>
> This happened on a Xen 4.1 cluster (yes, really old) using a SAN storage
> system, but also on a Xen 4.8 cluster with DRBD mirroring. All systems
> are working for >>1 year now, only recently those filesystem corruption
> started to happen. Data blocks seem to get randomly garbled.
>
> Migration of Debian Stretch or Windows VMs didn't show any anomalies so far.
>
> Can anyone shed some light on this?
>
> Regards,
>
> Andreas
>
>
>
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